Saturday, August17, 2019 L-36.com


Marine Weather and Tides
Pachuta, MS

Version 3.4
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7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:21AMSunset 7:39PM Saturday August 17, 2019 10:25 PM CDT (03:25 UTC) Moonrise 9:11PMMoonset 8:05AM Illumination 94% Phase: Waning Gibbous; Moon at 17 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Pachuta, MS
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location: 31.95, -88.87     debug


Area Discussion for - Jackson, MS
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Fxus64 kjan 180142 aab
afdjan
area forecast discussion... Updated
national weather service jackson ms
842 pm cdt Sat aug 17 2019

Update
Updated for evening discussion.

Discussion
No major adjustments are needed for tonight's forecast. Mostly
clear conditions prevail across the region with lingering isolated
shower activity from earlier in the day having all but entirely
diminished. Thanks to slight airmass modification and weak return
flow, low temps Sunday morning will be slightly higher than they
were this morning. Given the slight moistening of the airmass, it
isn't out of the realm of possibility that patchy fog will develop
in a few areas overnight. At this point we don't expect it to be
widespread enough to mention in the public forecast. Some slight
tweaks were made to hourly temps and dewpoints to account for
observational trends. Forecast updates have been published. Dl
prior discussion below:
tonight and tomorrow:
it has been another warm day across the region as temperatures have
reached into the lower to mid 90s. A few spots in eastern
mississippi have reached closer to the upper 90s, but this is where
some of driest air has been able to mix down. Dewpoints are ranging
from the lower 70s in the west to the upper to mid 60s in the east.

Heat indices have been kept fairly well in check because of this
with most locations seeing MAX heat indices around 100 to 101. As
the ridge remains over the region, moisture will slowly continue to
increase across the region. This will mean a little more in the way
of showers and storms tomorrow, with the most likely area being
across southern counties and western parishes. This should be where
the best moisture resides as well. Temperatures tomorrow will again
be in the mid 90s, but additional cloud cover and rain chances
suggest that some of these highs could fall short. In addition,
dewpoints will be higher tomorrow, which will help increase heat
index values. Inherited limited risk for tomorrow could be ok but
new guidance suggests that we might fall just shy of the near 105
degree threshold. The best location for this would be generally
along and west of the ms river, but opted not to continue at this
time for tomorrow. Drier air should hold on in the east and this is
where heat indices will hover around 100 degrees. 28
Sunday night through late next week:
warm, humid & active week of storms is expected through next week.

The mid-level ridge will have begun to retrograde to the west,
leading to perturbed pattern with north-northeasterly flow aloft.

This will gradually transition to the ridge axis to build west.

However, with a shortwave trough moving through the region on
Monday, we should actually keep good low-level convergence along a
washed out boundary & some isentropic lift & increased moisture near
the 2 inch mark. Weak troughing aloft will set up over the
appalachians & east coast, with perturbed shortwave energy situated
just over us through mid-late week. With the surface ridge of high
pressure building to the northeast & building mid-level ridge, this
will lead to increase in dewpoints into the mid-upper 70s &
increasing heat & humidity through the week. With increasing
subsidence & slight drying aloft, we should have a little less
coverage of convection across the northwest delta & northern areas.

A longwave trough will swing through the great lakes & canada,
bringing another front & higher coverage of storms down into the mid-
south & mid-mississippi valley around Thursday into the weekend. The
euro continues to depict a persistent tropical wave & some surface
reflection in the west-northwest gulf by late next week. Nothing to
be concerned at the moment but may be something to keep an eye on,
even if it at most only increases deeper tropical moisture & heavy
rain potential after into next weekend.

In terms of sensible weather, expect rain & storms to be on the
increase, especially on Monday as shortwave trough swings through
the area & stalls across the region through mid-week. Due to these
scattered storm chances, heat stress may be a little more confined
to the delta or slightly harder to come by Monday. However, with
building mid-level ridge through mid-week & increasing thermal
warmth, we should be able to reach near or a few degrees above the
105 degree mark, especially around mid-week (i.E. Tuesday-
Wednesday). Decided to keep a "limited" heat stress in the
hwo graphics potential to the arklamiss delta due to more isolated-
scattered diurnal convection in this area. However, extended it east
across the highway 82 corridor as that seems to be a typical hot
spot, especially in the golden triangle. There remains potential for
an "elevated" & heat advisory across the delta but confidence
remains low due to scattered coverage. As mentioned before, there
remains favorable juxtaposition of perturbed flow, lapse
rates vertical totals & microburst composite parameters for some
organized wet microburst potential & gusty winds. There might be
some organized convective potential on Monday & also on Wednesday
from any complex off in the ozarks, but there remains enough
question marks to assess potential as we get closer. Dc

Aviation
00z TAF discussion:
vfr conditions will prevail for the majority of the TAF period.

Patchy fog may reduce visibilities at a site or two late tonight,
with conditions improving by daybreak. Isolated to scattered
shra tsra are possible across the area late Sunday morning through
the afternoon, but confidence in timing at any particular site was
too low for inclusion in the taf. Dl

Preliminary point temps pops
Jackson 73 91 75 92 1 38 16 46
meridian 71 94 74 93 0 14 15 43
vicksburg 75 91 75 94 2 43 13 41
hattiesburg 72 91 75 92 2 48 20 60
natchez 74 89 75 91 3 47 16 50
greenville 74 92 75 93 1 28 13 32
greenwood 72 91 75 92 1 16 11 37

Jan watches warnings advisories
Ms... None.

La... None.

Ar... None.

Dl 28 dc


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OBLA1 - 8737048 - Mobile State Docks, AL 97 mi62 min 86°F 87°F1014.2 hPa

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Meridian, Key Field, MS28 mi88 minN 010.00 miFair82°F73°F77%1013.4 hPa

Link to 5 minute data for KMEI

Wind History from MEI (wind in knots)
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Last 24hr------S5CalmCalmCalmCalmCalmCalmNE3CalmW3CalmN8N7CalmCalmW3SW3CalmCalmCalmS3
1 day agoCalm--------CalmCalmCalm--Calm----E433NW6NW8NW8N8NW6N3CalmS3Calm
2 days agoCalmCalmCalmCalmCalmN4NW4N4N3N6NE5NE8E8N73NE6NE6N9NW10----N5CalmCalm

Tide / Current Tables for Lower Hall Landing, Tensaw River, Alabama
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Lower Hall Landing
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Sat -- 03:37 AM CDT     0.29 feet Low Tide
Sat -- 06:19 AM CDT     Sunrise
Sat -- 08:02 AM CDT     Moonset
Sat -- 05:18 PM CDT     1.39 feet High Tide
Sat -- 07:31 PM CDT     Sunset
Sat -- 09:05 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.40.30.30.30.30.40.50.60.70.80.80.911.11.21.31.41.41.31.21.10.90.8

Tide / Current Tables for Mobile (Mobile State Docks), Alabama
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Mobile (Mobile State Docks)
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Sat -- 12:32 AM CDT     0.34 feet Low Tide
Sat -- 06:19 AM CDT     Sunrise
Sat -- 08:03 AM CDT     Moonset
Sat -- 03:02 PM CDT     1.60 feet High Tide
Sat -- 07:32 PM CDT     Sunset
Sat -- 09:06 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.30.40.50.60.70.80.90.911.11.21.31.51.61.61.61.51.31.210.80.60.5

Weather Map and Satellite Images
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GOES Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Jackson, MS (23,6,7,8)
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Ground Weather Radar Station Jackson/Brandon, MS
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.